KDP categories · Top KDP authors
Mass Murder: Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Mass Murder, updated Nov 2, 2026: median price $3.99, median 386 reviews, average rating 4.3 and a KDPTop opportunity score of 22/100 (highly competitive).
| Price range (middle 50%) | $3.99 – $6.99 |
|---|---|
| Average rating | 4.3 |
| New releases (90 days) | 12% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 23% of the parent category Murder & Mayhem (1,665), one of the easier corners under it.
- At $3.99 its median price is below 97% of Kindle eBooks categories, so it is a volume game.
- Its review barrier is higher than in 77% of Kindle eBooks categories: the median best seller has 386 reviews, so new books need time to build up.
Top 10 Mass Murder best sellers
-
The Wager: A Tale of Shipwreck, Mutiny and Murder
by David Grann
- List rank#1
- Price$14.99
- Rating4.4
- Reviews43,268
-
The Idaho Four: An American Tragedy (James Patterson True Crime Book 3)
- List rank#2
- Price$15.99
- Rating4.4
- Reviews7,745
-
The Amish Wife: Unraveling the Lies, Secrets, and Conspiracy That Let a Killer Go Free
by Gregg Olsen
- List rank#3
- Price$4.99
- Rating3.7
- Reviews21,409
-
Murder Most Vile Volume 57: 18 Shocking True Crime Cases of Murder and Mayhem
- List rank#4
- Price$3.99
- Rating4.6
- Reviews79
-
Whoever Fights Monsters: My Twenty Years Tracking Serial Killers for the FBI
by Robert K. Ressler
- List rank#5
- Price$9.99
- Rating4.5
- Reviews3,837
-
Conquests and Cultures: An International History
- List rank#6
- Price$14.99
- Rating4.8
- Reviews811
-
Captain's Dinner: A Shipwreck, An Act of Cannibalism, and a Murder Trial That Changed Legal History
by Adam Cohen
- List rank#7
- Price$1.99
- Rating4.4
- Reviews150
-
When a Killer Calls: A Haunting Story of Murder, Criminal Profiling, and Justice in a Small Town — A Profiler's Memoir (Cases of the FBI’s Original Mindhunter Book 2)
- List rank#8
- Price$2.99
- Rating4.5
- Reviews1,758
-
Not Lost Forever: My Story of Survival
by Carmina Salcido
- List rank#9
- Price$8.99
- Rating4.5
- Reviews787
-
Deadly Women Volume 23: 20 Shocking True Crime Cases of Women Who Kill
- List rank#10
- Price$3.99
- Rating4.4
- Reviews204
FAQ
Is Mass Murder a good niche for Amazon KDP?
Its KDPTop opportunity score is 22/100, which makes it highly competitive. The median best seller has 386 reviews and sells for $3.99.
How many reviews do you need to rank in Mass Murder?
The median best seller has 386 reviews, and 16% of them have fewer than 100.
What do Mass Murder best sellers cost?
The median price is $3.99; half of the best sellers are priced between $3.99 and $6.99.
Can new books break into Mass Murder?
12% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.